28results about How to "Avoid stress response" patented technology

The invention relates to a lifting type net cage culture structure based on a fan single-pile foundation, and the structure comprises the fan single-pile foundation which is used for being inserted into a seabed; the net cage is arranged on the fan single pile foundation in a lifting and sleeving manner in the height direction; the guide mechanism comprises a guide piece extending in the height direction, the guide piece is fixedly connected to the fan single pile foundation, and the net cage is arranged on the guide piece in a sliding mode. The lifting type net cage culture structure based on the fan single pile foundation has high safety and stability.

The invention provides a culture pond water flow adjusting method and device, electronic equipment and a storage medium, and is applied to the technical field of recirculating aquaculture. The environment temperature of a culture pond and the variable quantity of the environment temperature are obtained, and when the environment temperature exceeds a first preset temperature interval and the variable quantity is small, the water flow is adjusted; the current water flow velocity is obtained to evaluate whether the water flow needs to be adjusted to adapt to temperature change and keep the stability of water quality and fish growth environment; through reference of historical data, an adjustment strategy of the water flow velocity can be formulated more scientifically, and unnecessary pressure on fishes due to blind adjustment is avoided. The water flow velocity is limited to be within a safe range, impact on fishes due to too fast change of the water flow velocity can be avoided, and comfortable and healthy growth of the fishes is ensured. Therefore, the method has the beneficial effects that the formation of a stagnant water area can be prevented, and the impact on fishes caused by too fast change of the water flow velocity can be avoided.

The invention relates to a bottom discharge-lifting type adult fish sucking and catching device for industrial aquaculture. The bottom discharge-lifting type adult fish sucking and catching device comprises a closed fish collecting tank, the closed fish collecting box comprises a fish collecting box shell, an inclined table which inclines downwards is arranged at one end adjacent to the fish collecting box shell, a fish collecting cavity is formed above the inclined table, a top plate of the fish collecting cavity is a transparent observation plate which inclines downwards, and the fish collecting cavity is communicated with the fish collecting box shell through a fish filtering plate. At least one side of the fish collecting cavity is communicated with a fish discharging channel device of the culture pond through a fish inlet pipe; a fish guiding housing is arranged at the lower part of the fish collecting cavity and is connected with a fish discharging channel connected to the outside; a fish collecting box water outlet pipe and a water suction pump are arranged at the other end adjacent to the fish collecting box shell; during fish discharging, the water suction pump on the water outlet pipe of the fish collecting box is firstly started, after adult fishes enter the fish collecting cavity of the closed fish collecting box, the density of the adult fishes in the fish collecting cavity is detected by the visual detection device, and when the density of fish schools reaches a set value, the control system automatically starts fish discharging operation of the fish collecting cavity and closes the water suction pump.

The invention relates to the technical field of stichopus japonicus breeding, in particular to a constant-temperature stichopus japonicus breeding box. Comprising a support frame, the breeding net is arranged on the supporting frame; the floating ball is arranged on the supporting frame; the mounting plate is arranged on the supporting frame, the mounting plate is provided with a pneumatic sleeve, the pneumatic sleeve is connected with a pneumatic sliding rod in a sliding mode, and the pneumatic sliding rod is fixedly connected with a pull rope; the first winding shaft is rotationally connected to the mounting plate; and the second winding shaft is rotationally connected to the mounting plate, and a pull rope is wound around the second winding shaft. The second winding shaft rotates through movement of the pneumatic sliding rod and a series of transmission, then the second winding shaft releases the pull rope, the height of the culture net is adjusted, the position of the culture net is adjusted, stichopus japonicus in the culture net is in a proper temperature range all the time, and the growth efficiency of the stichopus japonicus is guaranteed.

The utility model relates to a freshwater fish breeding technical field, and the utility model discloses a multi-angle adjustable freshwater live fish photographing device, the isolation frame is fixedly arranged in the transparent water tank, a plurality of baffle plates are arranged in the isolation frame, rotating rods are fixedly arranged on the upper and lower sides of the baffle plate, the lifting mesh plate is movably arranged in the transparent water tank and is located at the left side position of the isolation frame, two threaded rods are rotatably arranged on the lifting mesh plate through screw threads, the lower end of the threaded rod is rotatably inserted on the inner bottom wall of the transparent water tank through the bearing, the connecting frame is fixedly arranged on the left side of the upper portion of the transparent water tank, the driving rod is rotatably arranged in the connecting frame through the bearing, the upper end of the threaded rod is rotatably inserted in the connecting frame through screw threads and is drivenly connected with the driving rod through the bevel gear pair, the motor is fixedly arranged on the front side wall of the connecting frame, the camera is fixedly arranged on the three-axis electric pan-tilt head, the activity range of fish can be limited, the fish need not be frequently fished out to cause the stress reaction, and the fish can also be prevented from swimming randomly to be difficult to capture the clear photo.

The utility model provides a chick drinking device which comprises a water drinking bowl, a water cup and a water cup cover. The water outlet assembly is connected with the water pipe, the water outlet assembly comprises a moving rod and a water outlet, water in the water pipe flows out of the water outlet, the moving rod is movably arranged relative to the water outlet assembly, and the moving rod moves to open or close the water outlet; the telescopic assembly comprises an elastic piece, the elastic piece is connected with the stand column, the stand column is driven to move through the elastic piece, the top of the stand column pushes the moving rod to move, and therefore the water outlet is opened; the fixing assembly is connected with the telescopic assembly, the fixing assembly is connected with the water pipe, and the telescopic assembly and the water drinking bowl are connected to the water pipe through the fixing assembly. According to the chick drinking device, the technical problem that chicks cannot drink water automatically conveniently in an existing automatic poultry drinking device in the prior art is solved.

The utility model discloses a perch out-of-season breeding temperature control device which comprises an impounding reservoir and a fishpond arranged on one side of the impounding reservoir, a controller is installed on the outer surface of the impounding reservoir, and an automatic water storage structure used for pumping underground water into the impounding reservoir to keep the water level of the impounding reservoir is arranged on the impounding reservoir. By means of the automatic water storage structure and the water treatment assembly, low-temperature underground water can be automatically pumped into the water storage pool, oxygenation and aeration can be conducted on the pumped underground water, escape of nitrogen and carbon dioxide in water is accelerated, and the weever can be effectively prevented from suffering from the bubble disease; the water temperature in the fishpond can be monitored, once the temperature is too high, low-temperature underground water is automatically injected into the fishpond, the water temperature in the fishpond is reduced to be within the range suitable for growth of perches, meanwhile, through the mild water temperature adjusting mode, rapid change of the water temperature is avoided, the perches can gradually adapt to the water temperature change, and the perches can grow more conveniently. And stress reaction caused by sudden drop of water temperature is avoided.

The application belongs to the technical field of biological gene engineering, and discloses a lactococcus lactis carrier oral vaccine for producing enterotoxigenic escherichia coli F18 pilus type and application. Four lactococcus lactis antigen surface display strains are prepared, and are mixed to perform oral immunization. The oral immunization mode is convenient to operate, avoids the stress reaction caused by injection immunization on animals, and greatly improves the immunization effect, so that the diarrhea caused by enterotoxigenic escherichia coli on piglets can be effectively prevented. 50 The application is an oral escherichia coli vaccine, and mouse immunization challenge experiment shows that all the mice can survive under the challenge dose of LD , and piglet immunization challenge experiment shows that the piglets can be 100% protected from diarrhea, which shows that the immunization group has effective mucosal immune protection ability.

The utility model relates to a double -cavity formula vaginal examination appearance, include: monitoring part, spray gun and biopsy forceps three parts. Monitoring part includes support rod and camera device, and support rod has operating end and monitoring end, and is along its axial direction and is designed with the operating channel and wire harness channel who penetrates both ends and is independent of each other, and camera device installs in wire harness channel monitoring end's port position, and spray gun and biopsy forceps are set up in operating channel in activity. The utility model passes through the operating channel and wire harness channel of independent of each other, solves the technical problem that traditional vaginal examination appearance is single and lacks stable support.

The invention relates to a multifunctional robot for factory aquaculture, wherein a group of connecting parts are arranged on an equipment support, wherein the lower part of one connecting part is fixedly connected to a water quality monitoring device, and the lower part of another connecting part is connected to a telescopic net device; the upper end of a first-section mechanical arm of a combined mechanical arm is rotatably connected to a telescopic second-section mechanical arm through a universal rotating shaft, and the front end of the second-section mechanical arm is rotatably connected to a third-section mechanical arm through a universal rotating shaft; an auxiliary part is fixedly arranged at the front end of the third-section mechanical arm, and the auxiliary part comprises a contact end face with contacts distributed thereon, and a group of claw-shaped connecting parts extend out from the contact end face around; the contact end face is used to cooperate with the connecting parts on the equipment support to form communication and power supply; the claw-shaped connecting parts are used to be clamped into the clamping holes around the connecting parts to form fixed grasping; at least two groups of video frames are arranged at different heights on the first-section mechanical arm, and cameras are installed in the surrounding directions of each video frame, and the cameras are used for visual-walking control and fish pond observation.

The utility model provides a kind of automatic salinity balancing device for seawater ornamental fish culture, belong to aquaculture technical field, including support seat, the support seat outer wall slidingly connected with glass culture box, the glass culture box outer wall is fixedly connected with overflow pipe, the support seat outer wall is fixedly connected with recessed frame, the recessed frame top wall is fixedly connected with support frame, further include: stirring subassembly, the stirring subassembly includes fixedly connected with the mixing bucket of support frame outer wall, the mixing bucket top wall is fixedly connected with drive motor A, the drive motor A output end is fixedly connected with rotating rod, and the rotating rod is rotatably connected with mixing bucket, the rotating rod outer wall is fixedly connected with evenly distributed stirring rod. In the utility model, by setting the stirring rod and inclined plate cooperation in stirring subassembly, can make salt and water fast, evenly mix, avoid local salt concentration too high, prevent causing harm to fish.

The utility model provides a breeding house internal ventilation device for livestock breeding, which belongs to the technical field of breeding house ventilation and comprises a breeding house. The multiple first ventilation pipes are fixedly connected to the upper end of the breeding house through bolts; the second ventilation pipes are fixedly connected to the lower inner wall of the breeding house through bolts; a plurality of mounting grooves; a plurality of heaters; a plurality of vent holes; a plurality of shunt pipes; a plurality of T-shaped pipes; a plurality of ventilation windows; a PLC (programmable logic controller); according to the device, when the interior of the breeding house needs to be ventilated in cold seasons, fresh air entering the breeding house is preheated through matched use of the heater and the PLC, the livestock stress reaction possibly caused by the fact that cold air directly enters the breeding house is avoided, the design is beneficial for maintaining the proper temperature and humidity environment in the breeding house, and the breeding house is convenient to use. The disease risk caused by temperature fluctuation is reduced, so that the healthy growth of livestock is promoted, and the production performance is improved.

The invention discloses a nasal mucosa microneedle vaccine delivery system capable of inducing mucosa immunity and a preparation method and application of the nasal mucosa microneedle vaccine delivery system. The administration mode of vaccines is nasal mucosa microneedle vaccine delivery. The soluble layered microneedle is characterized in that a needle body is inspired by a hunting claw, a leopard-claw-shaped needle tip is designed, and the needle tip is bent; the strategy is proved to be capable of inducing potent antigen-specific immune response in mucous membrane tissues. The technology can be widely applied to research and development of novel mucosal vaccines for preventing respiratory tract infection pathogens (such as influenza viruses and the like).

The invention provides a novel fixing device for mouse brain imaging. The novel fixing device comprises a first fixing assembly, the bottom of the first fixing assembly is connected with an adjusting platform, the bottom of the adjusting platform is connected with a mounting bottom plate, a second fixing assembly is arranged on the mounting bottom plate, and one end of the second fixing assembly is close to the first fixing assembly; the first fixing assembly comprises an inverted-T-shaped plate, the inverted-T-shaped plate is installed at the top of the adjusting platform, two supporting cylinders are symmetrically arranged at the positions, close to the second fixing assembly, of the inverted-T-shaped plate, the top of each supporting cylinder is movably connected with a first connecting plate, a brain fixing piece is connected between the two first connecting plates, and the brain fixing piece is fixed to the head of a mouse. A positioning hole is formed in the brain fixing piece and used for positioning a window area for mouse brain imaging. According to the device, the stress reaction of the mouse in the experiment process is relieved, the reliability and repeatability of the experiment are improved, the absolute stability of the mouse in a waking state is ensured, and the accuracy of experiment data is effectively improved.

The invention belongs to the technical field of biological genetic engineering, and particularly relates to a subunit oral vaccine for ricefield eel rhabdovirus and application. The G protein antigen sequence of the ricefield eel rhabdovirus is decomposed and screened, the linker protein and the N protein of the ricefield eel rhabdovirus are combined in series, and two proteins with the highest fusion protein expression quantity are selected through a baculovirus expression system. And further performing immunogenicity screening to find that the immune effect of the G2-N is optimal, and finally taking the G2-N as a finless eel rhabdovirus oral vaccine. The oral ricefield eel rhabdovirus vaccine is provided for the first time, after the vaccine is orally taken for counteracting toxic substances, the protection rate of the vaccine can reach 90% through seven-day observation, and infection of ricefield eel rhabdovirus can be effectively prevented.

The utility model provides a kind of fixed anesthesia cage for teaching test animal, including first box, second box and head fixing device;The upper side of first box is open, fixed slide rail is on first box, corresponding slider is set to second box, and fastening bolt is equipped on slide rail;The side of first box towards second box has first through-hole, and the side of second box towards first box is open end;Head fixing device is clamping portion symmetrically arranged on both sides of first through-hole;Clamping portion includes elastic connecting piece, fixed block and locking adjusting block.The utility model fixes rabbit's cheek, avoids pressing rabbit neck, causes experimental rabbit asphyxia death, the length of first box can be telescopic adjustment, satisfy different rabbit body shape, avoid head exposure, rabbit occurs stress reaction when puncturing, rabbit ear is clamped by the opposite side of first box and second box, ear clamping is stable and firm, avoid rabbit ear swing when actual operation, ensure that anesthesia test is normally carried out.

The application relates to the aquaculture technical field and provides a fry feeding device for aquaculture, which comprises a bottom plate, a supporting frame is fixed at the top end of the bottom plate, a dispersing mechanism is arranged at the top end of the supporting frame, feeding mechanisms are arranged at the two sides of the top end of the bottom plate; a hydraulic rod is fixed at the inner top end of an inner cylinder, a pressing plate is fixed at the output end of the hydraulic rod, air supply bins are fixed at the two sides of the bottom end of the fry bin, baffle plates are slidably arranged on the air supply bins, the air supply bins are communicated with the inner cylinder through air supply pipes I, a hole bin is fixed at the inner bottom end of the fry bin, and an air supply pipe II is fixed in the hole bin. The dispersing mechanism can attract part of the fry by utilizing the oxygen content difference in water bodies when the fry is fed in batches, so that the feeding quantity of each round of fry is relatively uniformly controlled, and the normal feeding effect is prevented from being affected by the over-concentration or scarcity of the fry during single feeding.

The utility model relates to the technical field of livestock breeding equipment, concretely to a device of cattle stable weighing, including base and four door columns, the top of base is connected with door column fixedly, the top of base is provided with the weighter, both sides of base all are connected with the inclined plate fixedly, and a plurality of railings are fixedly connected between every two far away door columns, the utility model drives the gear to rotate through the drive motor in the fixed block, since the gear is engaged with the rack plate, when the gear rotates then will drive the rack plate to move to the inside of weighing equipment, when the rack plate moves to the inside of weighing equipment will drive the baffle to move synchronously, since having two baffles, and the baffle is opposite setting, when two baffles all move to the inside of weighing equipment will contact each other, and the advancing route of cattle is blocked, thereby making cattle movable space reduce, and thereby reducing the activity range and frequency of cattle, and thereby increasing the precision of weighing.

The utility model provides an automatic target animal feeding and atomizing device and a feeding system, and relates to the technical field of animal supplies, the automatic target animal feeding and atomizing device comprises a grain outlet module, a food bowl assembly, an atomizing module, a target animal identification module and a control unit, the grain outlet module comprises a grain outlet; the food bowl assembly can contain target animal food output from the food outlet; the atomization module comprises an atomization opening; the target animal recognition module is electrically connected with the grain outlet module and the atomization module, and the target animal recognition module can detect a target animal signal; the control unit can control the grain outlet module and / or the atomization module to be started or stopped; the atomization module can be controlled to be started to atomize the medicine, the atomized medicine is conveyed to the food bowl assembly from the atomization opening so as to treat the target animal, the injured target animal can be treated in the feeding process, manual participation is reduced, stress reaction of the target animal is avoided, and the treatment effect of the target animal is improved. And a better use effect is achieved.

The utility model provides a kind of lumen flow regulator and coronary sinus constriction device. Lumen flow regulator includes layer net structure, and layer net structure forms lumen passage along axial extension, and lumen passage includes first expansion part, narrowing part and second expansion part connected in turn, and the inner diameter of first expansion part and second expansion part is all greater than the inner diameter of narrowing part, wherein, narrowing part includes main body section and transition section located at both ends of main body section, two transition sections are connected with first expansion part and second expansion part respectively, and the mesh size of transition section is greater than the mesh size of main body section and the mesh size of first expansion part and second expansion part. The utility model solves the problem of poor postoperative adaptability of lumen flow regulator in the prior art.

The invention discloses an intelligent environment regulation and control system and method based on the Internet of Things, and relates to the technical field of intelligent environment regulation and control, and the system comprises a visual monitoring unit, a market decision-making unit, an environment monitoring unit, and a dynamic strategy generation unit. According to the method, the residual growth time window is dynamically adjusted through the price pre-estimation model, high-metabolism growth acceleration or low-metabolism maintenance strategies are intelligently switched, a user is helped to preempt a high-price window or avoid risks at low cost, passive breeding is converted into active commercial decision, meanwhile, machine vision is used for replacing manual measurement, the stress reaction generated by snails due to touch is avoided, and the user experience is improved. Meanwhile, real-time accurate control over the growth progress deviation is achieved, the thin shell disease can be effectively prevented by adopting a specific repairability strategy, the limitation of traditional constant environment control is broken through, and accurate control over the marketing time is achieved while the finished product quality is guaranteed.

The invention relates to the technical field of feed additives, and particularly discloses a feed additive for sows in a lactation period and a preparation method of the feed additive. The feed additive is prepared from 5 to 10 parts of radix angelicae sinensis, 0.0003 to 0.0005 part of organic selenium, 10 to 15 parts of calcium carbonate, 8 to 12 parts of calcium hydrophosphate, 1 to 5 parts of a lactic acid bacteria preparation, 0.5 to 2 parts of a bacillus preparation, 0.1 to 0.3 part of vitamin C, 0.2 to 0.4 part of a flavoring agent, 5 to 15 parts of a sweetening agent and 1 to 3 parts of citric acid. The feed additive disclosed by the invention can improve the breast milk quality and yield of the sows in the lactation period, so that the growth performance, the immune performance and the intestinal health of piglets are improved.

This invention discloses a denitrification process for preparing sweet white wine. The process steps are as follows: Grape pretreatment: Select fresh white grapes of uniform ripeness, manually remove rotten and diseased grapes, destem, crush, and extract juice using a press. Collect the juice and filter to remove pomace to obtain initial grape juice; Juice clarification: Quickly cool the initial grape juice to 3-5°C, add 30-35 mg / L pectinase and 40-60 mg / L sulfur dioxide, stir evenly, and let it stand for clarification for 24-36 hours. Take the supernatant as the fermentation liquid; Primary denitrification fermentation: Transfer the fermentation liquid to a fermentation tank, raise the temperature to 12-15°C, inoculate with wine yeast, control the fermentation temperature at 16-18°C, and stir 2-3 times a day; When the alcohol content of the fermentation liquid reaches 3.5% vol, add 0.4-0.5 g / L of chitosan-benzene complex. This invention's staged denitrification avoids the yeast stress response caused by adding a large amount of adsorbent at once, and significantly enhances the microbial stability of the wine.

This invention provides extracellular vesicle miRNAs from milk for detecting heat stress in dairy cows and their applications, belonging to the field of dairy cow health technology. This invention, through the isolation, extraction, and miRNA sequencing of extracellular vesicles derived from dairy cow milk, discovered specific miRNA molecules closely related to heat stress. Using the miRNA unconservative_3_49980 from these extracellular vesicles as a biomarker, this invention provides a simple, non-invasive, and stress-free method for detecting heat stress in dairy cows with high sensitivity. This invention also designs specific primer pairs for the miRNA, enabling the construction of a kit for early, non-invasive assessment of heat stress in dairy cows.

The invention discloses a horse-derived anaerobic strain for improving athletic ability as well as a screening method and application thereof, and relates to the field of microorganisms. The invention discloses a horse-derived anaerobic strain capable of improving athletic ability, which is preserved in China General Microbiological Culture Collection Center, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, the preservation date is September 19, 2023, and the preservation number is CGMCC No.28469. The horse-derived anaerobic strain is classified and named as Enterococcus faecalis. The invention also discloses a screening method and application of the horse-derived anaerobic strain. The horse-derived anaerobic strain for improving the athletic ability, the screening method and the application have important guiding significance on development of probiotics of racing horses and additives of microbial feeds.

This invention discloses a broiler chicken farming transport vehicle, including a transport vehicle with a cargo box installed at the rear. The cargo box contains a compartment, and a rear frame is installed at the end of the compartment. An even number of doors are installed within the rear frame. Several sets of arch rod fixing seats are installed on both sides of the rear frame. An upper protective frame is fixed above the rear frame. Plated arch rod groups are fixed to the several sets of arch rod fixing seats, and arch rods are installed at both ends of each plated arch rod group. This invention controls the hydraulic rods of a hydraulic tank installed above the top of the waste guide platform. When loading broiler chicken turnover boxes, the second box platform can be driven to swing, causing the platform frame to tilt downwards. At this time, the turnover boxes can sequentially engage between the left and right clamping plates on both sides of the support plate. Following the drive motor within the second fixed rotating shaft, the turnover boxes on the support plate and the left and right clamping plates are displaced to complete the loading and reset process. This design can greatly reduce manual labor intensity, improve loading and unloading efficiency, and avoid stress reactions during the stacking of turnover boxes.

The invention belongs to the technical field of pet bags, and particularly relates to a pull rod type intelligent pet bag which comprises a bearing frame. A plurality of universal wheels which are uniformly arranged are mounted on the bottom surface of the bearing frame; a box body is mounted on the top surface of the bearing frame; the box body comprises a support frame; the outer side of the supporting frame is wrapped with an outer cover, and the outer cover is made of cloth. One side of the bearing frame is rotationally connected with a pair of symmetrically-arranged connecting pipes. The two connecting pipes are jointly connected with a telescopic pull rod in a sliding mode, through the arrangement of the telescopic pull rod and the connecting pipes, a user can conveniently pull the pet transport device, fatigue of the user during long-distance pet transport is reduced, meanwhile, the connecting pipes can rotate, the situation that the bearing frame and the outer cover are inclined, and the pet in the pet transport device has stress reaction can be avoided, and the pet transport device is convenient to use. In addition, when the environment is hot, the fan can be automatically started, so that coolness and ventilation in the outer cover are guaranteed, and the situation of heatstroke of the pet is avoided as much as possible.

The utility model discloses a backflushing type blowdown device for prawn culture, which relates to the technical field of aquaculture and comprises a base, four first support rods are fixedly connected to one side of the top end of the base, the top ends of the four first support rods are fixedly connected with a culture pond together, and a second support rod is fixedly connected to the other side of the top end of the base. The top ends of the four second supporting rods are jointly and fixedly connected with a treatment tank, the bottom end of the culture pond and the interior of the treatment tank are jointly provided with a pollution discharge assembly, and one end of the treatment tank is provided with a rotating mechanism used in cooperation with the pollution discharge assembly. According to the device, excrement and dirt in a culture pond can be conveniently and well discharged, the stress reaction of prawns can be avoided while dirt is discharged, so that the dirt discharging effect of the dirt discharging device is improved, rotation of the guide valve plate can be automatically controlled, dirt is conveniently and well discharged through back flushing water, and the device is convenient to use and high in practicability. And therefore, the use convenience of the blowdown device is improved.